content: /*
   * Copyright 2016-present David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.rxjava3.basetypes;
  
  import java.util.Objects;
  
  import org.reactivestreams.Subscriber;
  
  import hu.akarnokd.rxjava3.basetypes.SoloAmbArray.AmbSubscriber;
  import io.reactivex.rxjava3.exceptions.Exceptions;
  
  /**
   * Signal the events of the first source that signals.
   *
   * @param <T> the value type
   */
  final class PerhapsAmbIterable<T> extends Perhaps<T> {
  
      final Iterable<? extends Perhaps<? extends T>> sources;
  
      PerhapsAmbIterable(Iterable<? extends Perhaps<? extends T>> sources) {
          this.sources = sources;
      }
  
      @Override
      protected void subscribeActual(Subscriber<? super T> s) {
          AmbSubscriber<T> parent = new AmbSubscriber<>(s);
          s.onSubscribe(parent);
  
          try {
              for (Perhaps<? extends T> source : sources) {
                  Objects.requireNonNull(source, "One of the sources is null")
                  .subscribe(parent);
              }
          } catch (Throwable ex) {
              Exceptions.throwIfFatal(ex);
              parent.onError(ex);
          }
      }
  }
  